Features and Benefits: Uniquely designed parrot nose jaws grip 3 sides of a fastener or pipe for a non slipping grip; Heavy-duty chrome-molybdenum steel; Gripping surface with file-cut for various use; Adjust pressure by turning screw; Length: 9" long; Jaw capacity: 15/64" to 1-1/4" (6-32mm); Covered by a Lifetime Warranty